The yields of lucerne and its mixture with meadow fescue as depending on some agrotechnical factors. Part II. Selected qualitative features of the yields
RU
Plodonoshenie ljucerny i ee smesi s lugovojj ovsjanicejj v zavisimosti ot nekotorykh agrotekhnicheskikh faktorov. Chast' II. Izobrannye kachestvennye cherty urozhaja